A tax return is the form you file with the government each year that reports your income, calculates what you owe in taxes, and determines whether you get a refund or owe a payment. For most people it’s an annual event tied to April 15 — but understanding what’s actually happening makes the process a lot less stressful.
Quick answer: what a tax return is
A tax return is a document (or, more commonly today, an electronic filing) that summarizes your income, deductions, and credits for the previous year. The IRS uses it to calculate your final tax bill. If your employer withheld more than you owe, you get the difference back as a refund. If they withheld less, you pay the balance due. Filing a tax return is how you settle up.
Who needs to file a tax return
Not everyone is required to file, but most working adults are. The IRS sets income thresholds each year — if your gross income exceeds that amount for your filing status, you’re required to file. In 2024 the threshold was $14,600 for a single filer under 65 and $29,200 for a married couple filing jointly. Even below these thresholds, filing can make sense if you had taxes withheld and are owed a refund, or if you qualify for refundable tax credits like the Earned Income Tax Credit.
Federal vs. state tax returns
Most Americans file two tax returns each year:
- Federal — filed with the IRS using Form 1040 (or one of its variants). Due April 15 each year.
- State — filed with your state’s revenue agency if your state has an income tax. Most states piggyback on your federal return, so you do the federal one first. Nine states have no income tax at all: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming.
The main parts of a federal tax return
Income
All the money you received during the year counts as income: wages (from W-2s), self-employment income (from 1099s), interest, dividends, rental income, retirement distributions, Social Security benefits, and more. You add it all up to get your gross income.
Adjustments and deductions
Certain expenses reduce your taxable income. Adjustments (also called “above-the-line” deductions) include things like student loan interest, IRA contributions, and self-employment taxes. Then you choose between the standard deduction (a flat amount set by the IRS — $14,600 for a single filer in 2024) or itemized deductions (actual expenses like mortgage interest and charitable donations). Most people take the standard deduction because it’s larger.
Taxable income
Gross income minus all deductions equals your taxable income. This is what your tax bill is calculated on — not your full income.
Tax credits
Credits are subtracted directly from what you owe. A $1,000 credit cuts your tax bill by $1,000. Common credits include the Child Tax Credit, the Earned Income Tax Credit, education credits, and retirement savings credits. Credits are more valuable than deductions because they reduce your tax dollar-for-dollar.
Refund or balance due
After credits, compare what you owe to what was already withheld from your paychecks. The difference is either your refund or the amount you still owe. Most people get a refund — the average federal refund is around $3,000 — because withholding tends to run a little high.
How to file a tax return
You have a few options:
- Tax software — TurboTax, H&R Block, TaxAct, FreeTaxUSA, and others walk you through questions and fill in the forms. Most are inexpensive or free for simple returns. The IRS Free File program offers free software to filers with income under $79,000.
- IRS Free File Fillable Forms — free electronic versions of the actual IRS forms for people who are comfortable filling them out themselves.
- A tax professional — a CPA, enrolled agent, or tax preparer. Worth the cost if you have a complicated situation (self-employment, rental property, investments, major life changes).
- Paper return — still an option, but takes much longer to process.
E-filing is faster and more accurate than paper filing. If you’re owed a refund, e-filing with direct deposit usually gets it to you within 21 days.
Key dates to know
- January 31 — employers must send W-2s; financial institutions send 1099s
- April 15 — federal tax return due (most years)
- October 15 — extended deadline if you filed for an extension (note: an extension gives you more time to file, not more time to pay — any tax owed is still due April 15)
What happens if you don’t file
Missing the filing deadline when you owe money triggers a failure-to-file penalty of 5% of the unpaid tax per month, up to 25%. If you’re owed a refund, there’s no penalty for filing late — but you have three years to claim a refund before it expires. Either way, filing is almost always better than not filing.
Common beginner questions
Is a tax return the same as a tax refund?
No. The tax return is the form you file. The tax refund is the money sent back if you overpaid. “I filed my tax return and got a refund” is the correct sequence.
Do I owe taxes or does my employer pay them?
Your employer withholds taxes from your paycheck and sends them to the IRS throughout the year on your behalf. The tax return reconciles whether those payments were enough — you don’t owe taxes a second time on income that was already withheld.
What if I can’t afford to pay what I owe?
File anyway — the failure-to-file penalty is larger than the failure-to-pay penalty. The IRS offers payment plans (installment agreements) if you can’t pay in full. You can apply online at IRS.gov.
What to do next
Gather your documents (W-2s, 1099s, any records of deductible expenses), choose a filing method, and file before April 15. If your return is straightforward — W-2 income only, standard deduction, no big life changes — free tax software can walk you through it in under an hour. The most important step is simply starting.
Further Reading
- What Is a W-2?
- What Is a W-4?
- What Is a 1099?
- What Is FICA on Your Paycheck?
- How to Read a Pay Stub
- Money Basics
This article is for general educational purposes only and does not constitute financial advice. Rules and rates change — verify specifics with your bank, employer, or a qualified advisor before acting.